Convert the options to camelCase. Fixes #43

Still supporting the old style though

README.md

@@ -19,12 +19,12 @@ var sass = require('node-sass');
 sass.render(scss_content, callback [, options]);
 ```
 
-Especially, the options argument is optional. It support two attribute: `include_paths` and `output_style`, both of them are optional.
+Especially, the options argument is optional. It support two attribute: `includePaths` and `outputStyle`, both of them are optional.
 
-`include_paths` is an `Array`, you can add a sass import path.
+`includePaths` is an `Array`, you can add a sass import path.
 
-`output_style` is a `String`, its value should be one of `'nested', 'expanded', 'compact', 'compressed'`.
-[Important: currently the argument `output_style` has some problem which may cause the output css becomes nothing because of the libsass, so you should not use it now!]
+`outputStyle` is a `String`, its value should be one of `'nested', 'expanded', 'compact', 'compressed'`.
+[Important: currently the argument `outputStyle` has some problem which may cause the output css becomes nothing because of the libsass, so you should not use it now!]
 
 Here is an example:
 
@@ -32,7 +32,7 @@ Here is an example:
 var sass = require('node-sass');
 sass.render('body{background:blue; a{color:black;}}', function(err, css){
   console.log(css)
-}/*, { include_paths: [ 'lib/', 'mod/' ], output_style: 'compressed' }*/);
+}/*, { includePaths: [ 'lib/', 'mod/' ], outputStyle: 'compressed' }*/);
 ```
 
 ## Connect/Express middleware

sass.js

@@ -13,20 +13,20 @@ try {
 if (binding === null) {
   throw new Error('Cannot find appropriate binary library for node-sass');
 }
-var toString = Object.prototype.toString;
-SASS_OUTPUT_STYLE = {
+
+var SASS_OUTPUT_STYLE = {
     nested: 0,
     expanded: 1,
     compact: 2,
     compressed: 3
 };
+
 exports.render = function(css, callback, options) {
     var paths, style;
-    typeof options != "object" && (options = {});
-    paths = options.include_paths || [];
-    if (!((style = options.output_style) in SASS_OUTPUT_STYLE)) {
-        style = 'nested';
-    }
-    return binding.render(css, callback, paths.join(':'), SASS_OUTPUT_STYLE[style]);
+    options = typeof options !== 'object' ? {} : options;
+    paths = options.include_paths || options.includePaths || [];
+    style = SASS_OUTPUT_STYLE[options.output_style || options.outputStyle] || 0;
+    return binding.render(css, callback, paths.join(':'), style);
 };
+
 exports.middleware = require('./lib/middleware');